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    • 41. 发明专利
    • NEW CYCLOALKYLATED BENZOTHIADIAZINE DERIVATIVES, METHOD OF PREPARING SAME AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
    • HRP20100622T1
    • 2010-12-31
    • HRP20100622
    • 2010-11-17
    • SERVIER LAB
    • FRANCOTTE PIERRETULLIO PASCAL DEPIROTTE BERNARDDANOBER LAURENCELESTAGE PIERRECAIGNARD DANIEL-HENRI
    • C07D285/28A61K31/549A61P25/00
    • Cycloalkyl benzothiadiazine derivatives (I) and their enantiomers, diastereoisomers, acid or base addition salts, are new. Cycloalkyl benzothiadiazine derivatives of formula (I) and their enantiomers, diastereoisomers, acid or base addition salts, are new. RCy : 3-8C cycloalkyl (optionally substituted by 1-6C alkyl (optionally substituted), halo, 1-6C alkoxy, hydroxy, or amino (optionally substituted by 1-6C alkyl)), or 1-6C-alkyl-(3-8C)cycloalkyl (optionally substituted on the cyclic part by 1-6C alkyl (optionally substituted by halo), 1-6C alkoxy, OH or amino (optionally substituted by 1-6C alkyl)); and R 1-R 4H, halo, nitro, CN, OH, thio, 1-6C alkyl (optionally substituted by halo), 1-6C alkoxy (optionally substituted by halo), 1-6C alkylthio, carboxy, 1-6C alkoxycarbonyl, 1-6C acyl, amino (optionally substituted by 1-6C alkyl or 1-6C acyl), aminocarbonyl (optionally substituted by 1-6C alkyl), aminosulfonyl (optionally substituted by 1-6C alkyl), or 1-6C alkylsulfonylamino. Provided that (I) is not 6-chloro-4-cyclohexyl-3,4-dihydro-7-sulfonamido-2H-1,2,4-benzothiadiazine-1,1-dioxide. Independent claims are included for: (1) the preparations of (I); (2) a composition comprising (I) in combination with inert, non-toxic vehicle; and (3) a benzo[1,2,4]thiadiazine-1,1-dioxide compound of formula (VI). [Image] [Image] ACTIVITY : Nootropic; Tranquilizer; Antidepressant; Neuroprotective; Antiparkinsonian; Cerebroprotective; Anticonvulsant; Antialcoholic; Neuroleptic; Vasotropic. MECHANISM OF ACTION : Alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA) receptor modulator. The AMPA receptor modulatory activity of (I) was tested in embryonic rat neurons, where the results were calculated as EC(2X) i.e. concentration of product that doubles the potential membrane induced by AMPA. The results showed that 6,7-dichloro-4-cyclopropyl-3,4-dihydro-2H-1,2,4-benzothiadiazine-1,1-dioxyde exhibited an EC(2X) value of 1 mu M.